[CST-2] Graphics: Subdivision Schemes

[Jamie Shotton]

> 
> > Does anyone have any notes on the interpolating subdivision schemes 
> > (for 2d or 3d)? i.e. what coefficients etc.....I remember him 
> > lecturing it but the notes don't have any info on these....
> 
> There is a 2D subdivision scheme which he called 
> "interpolation" - this has weights (1) and (-1, 9, 9, -1).  
> The tensor product of this is Kobbelt. Butterfly is also 
> interpolating.

In the 1D case of the Kobbelt scheme (i.e. the "4 point method"), how do
you get a point between the first two vertices - do you have to assume
that p_(j-1) is zero?

Good luck everyone,
Jamie